21A Carlyle Square, London, SW3 6EY Data via plota.co.uk

PP/25/05635 - Planning Permission Approved
Admin / procedural

Proposal

Removal of condition 2 (use of roof as terrace precluded) and variation of condition 1 (approved drawings) of planning permission to allow the roof of the rear extension to be used as a roof terrace Data via plota.co.uk

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View original council record ↗Last checked

Application progress

✓
Received
7 Oct 2025
✓
Approved
21 Apr 2026

Approved on 21 Apr 2026 · Last checked 23 Oct 2026

Planning committee

Decided by Kensington and Chelsea Planning Applications Committee on 16 Apr 2026.

Approved

As officers recommended.

  • Officers advised approval because the terrace would preserve the area’s character and avoid harmful privacy, noise or drainage effects.
  • Four letters objected, raising concerns about overlooking, screening, noise, the earlier restriction and the appearance of the proposed screens.
  • The committee resolved to grant planning permission with the recommended conditions.
Read how the committee decided The proposal, site history, officers’ assessment, objections, committee decision and planning conditions.

Source: Plota analysis of Kensington and Chelsea's committee minutes of 16 Apr 2026.

Documents

View the documents on the council's website ↗

Site constraints 10

Chelsea Park/Carlyle conservation area
Demolition needs planning permission and permitted development is restricted.
The council must give weight to preserving or enhancing the area's character and appearance. Not every council has published its boundaries as open data.
Council document ↗
2 Article 4 directions
Article 4 - No 100 · Article 4 - No 58. Named permitted development rights are withdrawn here.
An Article 4 direction withdraws particular permitted development rights, so work that would normally need no application needs one here. Not every council has published its directions.
Tree preservation order
Consent is needed before work on protected trees.
Not every council has published its orders as open data, so no order shown is not proof there is none.
Protected view corridor: 9A.1 King Henry's Mound to St Paul's Cathedral
Inside the landmark viewing corridor of a protected vista. A building that rises above the corridor's threshold height should be refused. How high that is depends on where along the view the site is.
The London Plan (policy HC4) designates strategic views, and the Mayor's London View Management Framework (March 2012) gives 13 of them a protected vista toward St Paul's Cathedral, the Palace of Westminster or the Tower of London. A vista has a threshold height that rises or falls with the line of sight. In the landmark viewing corridor, a building above it would harm the view and should be refused. In the wider setting consultation area around the corridor, a building above it is referred for consultation and its effect on the view is judged. The threshold changes along each view and is set out in the framework. A revised framework is out for consultation until 4 December 2026 and is not yet in force.
London View Management Framework ↗
Air quality management area: Kensington and Chelsea AQMA
The council has declared the area as failing an air quality objective.
Schemes that add traffic, parking or combustion plant are assessed against the area's action plan and may need an air quality assessment.
Council record ↗
National infrastructure project about 376 m away: Thames Tideway Tunnel
The site is about 376 m from the project boundary. Waste water treatment, decided. The project page says whether consent was granted. Also within 2 km: London Strategic Heat Main Project (at pre-application, about 864 m).
Nationally significant infrastructure projects (power stations, electricity lines, pipelines, major roads and railways, harbours, airports and reservoirs) are consented by a Secretary of State under the Planning Act 2008, after an examination by the Planning Inspectorate, rather than by the council. The boundary is the one the Inspectorate consults on and can change as the scheme does. Projects are shown within 2 km of the site.
Planning Inspectorate project page ↗
17 listed buildings within 150 m of the postcode pin
Nearest: 40, Chelsea Square Sw3, Grade II*, about 29 m from the postcode pin · 3 Grade II*, 14 Grade II
The site itself is not listed. Listed building consent is needed for work that affects the special interest of a listed building, inside or out, on top of planning permission. Setting can be a consideration for buildings nearby; there is no fixed radius.
Show all 17 with distances
Historic England ↗
Also on the record
Inside the Kensington and Chelsea built-up area; Public transport access: PTAL 4 (good), TfL 2023, for the 100 m square; Designated open space about 19 m away.
Not affected
Outside flood zones 2 and 3 · Not green belt · No scheduled monument at the site

Checked on 6 October 2026. The pin for this application is the centre of its postcode rather than the building, so distances to nearby designations are measured from the postcode and can be out by the width of the postcode area. Historic England, the Environment Agency, Natural England, the Planning Inspectorate, Transport for London (public transport access levels, Powered by TfL Open Data, OGL v3.0, contains OS data © Crown copyright and database right 2025) and council datasets, Open Government Licence. A boundary can run through a site and the council holds the definitive record: confirm with the council before relying on this.

Sales history 1

Last sold for £9,500,000 in January 2015. Terraced house, freehold.

20 January 2015£9,500,000

Sale prices from HM Land Registry's price paid record, matched to this application by its address.

Building

Floor area209 m² (2,250 sq ft)
Energy ratingE (48 out of 100), could reach D
PropertyMid-terrace house, 5 habitable rooms
BuiltBefore 1900
HeatingBoiler and radiators, mains gas
WallsSolid brick, as built, no insulation (assumed)

From the energy performance certificate lodged in September 2012, the latest held for this property, matched to this application by its address. The building may have changed since. View the certificate

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Other new applications on this street

5 Oct 2026Pending

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Important details

Council
Kensington and Chelsea
Application type
Planning Permission
Postcode
SW3 6EY
Received
7 Oct 2025
Validated
7 Oct 2025
Ward
Stanley
Case officer
Show
Target decision
2 Dec 2025
Decision
Granted
Decision date
21 Apr 2026
Applicant
Show

Consultation & key dates

Comments by
7 Nov 2025

Historical activity at this location

35 previous applications on record - archival context, not part of the live application.

This property

Previous applications at this address

2021 Approved
Installation of cast iron railings painted black surrounding first floor green roof and g…
PP/21/03923
2021 Approved
Reconstruction of front garden wall piers to be plumb either side of gate. One pier to be…
PP/21/00119
2020 Withdrawn
Reconstruction of front garden wall piers to be plumb either side of gate. One pier to be…
PP/20/05765
2020 Refused
Non-material amendment to planning permission 16/01337 to allow the removal of 1no. pier…
NMA/20/05146
2020 Approved
Non material amendment to planning permission PP/16/01337 (Construction of basement, rebu…
NMA/20/03912
2016 Approved
Variation of condition 2 (Compliance with approved drawings) of planning permission 16/01…
PP/16/07103
2016 Approved
Variation of condition 2 (Compliance with approved drawings) of planning permission 16/01…
PP/16/04638
2016 Approved
Prune 2 x Magnolia (one in front garden of No. 22, one in rear garden of No. 21a)
ARB/16/04726
2016 Approved
Details required by condition 3 (Construction Traffic Management Plan (CTMP)) of planning…
CON/16/02980
2016 Approved
Construction of single-storey basement under footprint of property and part front and rea…
PP/16/01337
Within ~100m

Nearby activity

2025 Approved
21 Carlyle Square, London, SW3 6EY
Replacement of existing timber windows for double glazed timber windows, without any chan…
CL/25/06114
2025 Approved
21 Carlyle Square, London, SW3 6EY
Replacement of rear ground floor windows to doors; rear door replacement; raised rear bal…
PP/25/06108
2025 Approved
38 Chelsea Square, London, SW3 6LH
Variation of condition 2 (approved drawings) of planning permission 23/08025 to allow rem…
PP/25/05633
2025 Approved
64 Old Church Street, London, SW3 6EP
Strip out of kitchen joinery (set aside), non-original plasterboard wall and ground and f…
LB/25/05747
2025 Approved
20 Carlyle Square, London, SW3 6EY
Prune 1x Magnolia (Magnolia spp) at front
ARB/25/05967
2025 Approved
18 Carlyle Square, London, SW3 6EX
Proposed conservatory to rear elevation at ground floor level, in conjunction with previo…
PP/25/03204
2025 Approved
22 Carlyle Square, London, SW3 6EY
Prune 1 x Magnolia (front)
ARB/25/02868
2025 Approved
33 Carlyle Square, London, SW3 6HA
Creation of basement under footprint of house and part of rear garden; erection of side a…
PP/25/01512
2024 Approved
26 Carlyle Square, LONDON, SW3 6EY
Prune 1 x Silver Birch (front)
ARB/24/07519
2024 Approved
27-28 Carlyle Square, LONDON, SW3 6HA
Creation of single storey basement below existing building footprint with lightwells to f…
PP/24/05233
2024 Approved
27-28 Carlyle Square, LONDON, SW3 6HA
FELL 1 x Cherry and 1 x Acacia
ARB/24/03693
2023 Approved
37 Carlyle Square, LONDON, SW3 6HA
Variation of condition 2 (Compliance with approved drawings) of planning permission ref…
PP/23/06322
2024 Approved
27-28 Carlyle Square, LONDON, SW3 6HA
Alterations to conservatory
PP/24/01717
2023 Approved
117 Old Church Street, LONDON, SW3 6EA
FELL (as specified)
ARB/23/07518
2023 Approved
22 Carlyle Square, London, SW3 6EY
Prune 1 x Magnolia (front)
ARB/23/06467
2023 Approved
117 Old Church Street, London, SW3 6EA
Replacement of non-original rear extension; construction of basement below replacement ex…
PP/23/03303
2023 Approved
117 Old Church Street, London, SW3 6EA
Replacement of non-original rear extension; construction of basement below replacement ex…
LB/23/03304
2023 Approved
21 Carlyle Square, London, SW3 6EY
Excavation of new basement storey below footprint of existing dwelling, extending partial…
PP/23/02668
2023 Approved
131 Old Church Street, London, SW3 6EB
Prune 1x Lime at front
ARB/23/04091
2023 Approved
133 Old Church Street, London, SW3 6EB
Prune 1x Liquidambar at front
ARB/23/04092
2017 Withdrawn
35 Carlyle Square, LONDON, SW3 6HA
***WITHDRAWN*** Variation of condition 2 (revised drawings indicating metal balustrade) o…
PP/17/04850
2017 Approved
29 Chelsea Square, LONDON, SW3 6LQ
Re-positioning of 3 windows and addition of 1 window on street elevation.
PP/17/03245
2017 Refused
34 Carlyle Square, LONDON, SW3 6HA
Provision of non-illuminated advert displaying company name (on monoflex over covered gan…
CA/17/03192
2017 Approved
30 Carlyle Square, LONDON, SW3 6HA
FELL X 1 Mimosa. (Front garden), Prune X 1 Acacia (Rear garden)
ARB/17/03386
2017 Approved
34 Carlyle Square, LONDON, SW3 6HA
Lowering cill of lower ground floor front elevation bay window.
PP/17/02792
Kensington and Chelsea
Planning Authority Score
5.1/10
Average
#144 of 296 councils
Relevant to this application:
Householder decisions

Kensington and Chelsea ranks #174 out of 296 councils for householder decision speed. Householder applications are slightly more likely to be approved here (94%) than the national average (90%).

These figures are council-wide context, not a prediction for this application. View full council performance
Kensington and Chelsea decision statistics
Based on MHCLG data, the nine months to December 2025
93%
Overall approval rate
Above avg (87%) #58 of 296
94%
Householder approved
Above avg (90%) #110 of 296
61%
Decided in 8 weeks
Below avg (63%) #174 of 296
40%
Extended time limit
Below avg (41%) #152 of 296
94%
Minor dwellings approved
455 decided (1-9 homes)
87%
Change of use approved
53 decided
1,839
Total decisions
135 refused in the nine months to December 2025
Source: MHCLG planning statistics · See full council rankings

Sale prices: Contains HM Land Registry data © Crown copyright and database right 2026. This data is licensed under the Open Government Licence v3.0.

Energy performance: Energy performance certificates from the Energy Performance of Buildings Register, Ministry of Housing, Communities and Local Government. Contains public sector information licensed under the Open Government Licence v3.0. © Crown copyright 2026.